That's right, it doesn't come with a power supply. But there is a USB C cable. I don't think that's bad, you slowly have too many power adapters standing around and sometimes plugged in. But the tablet is really fast.
hi i dont speak german very well, what i can tell you is inside youll find the tablet a usb type c - usb type c cable and no brick, as you mentioned. Really great tablet, i would allways recommend it.